Distribution and fatty acid content of phospholipids from bovine milk and bovine milk fat globule membranes |
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| Authors: | F Sánchez-Juanes JM Alonso L Zancada P Hueso |
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| Affiliation: | 1. Departamento de Bioquímica y Biología Molecular, Facultad de Biología, Edificio Departamental, Universidad de Salamanca, 37007 Salamanca, Spain;2. Departamento de Bioquímica, Biología Molecular y Fisiología, Escuela Universitaria de Ingenierías Agrarias de Soria, Universidad de Valladolid, 42003 Soria, Spain;1. State Key Laboratory of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, Jiangsu, PR China;2. Department of Food Science, Faculty of Agriculture, Zagazig University, 44511, Zagazig, Egypt;3. Food and Dairy Science and Technology Department, Faculty of Environmental Agricultural Science, El Arish University, 43511, El Arish, Egypt;1. Department of Animal Science, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Israel;2. The Ramat Hanadiv Nature Park, Zikhron Yaakov, Israel;3. Department of Natural Resources, Institute of Plant Sciences, Agricultural Research Organization, the Volcani Center, P.O. Box 6, Bet Dagan, 50250 Israel;1. State Key Laboratory of Food Science and Technology, Synergetic Innovation Centre of Food Safety and Nutrition, School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu Province, PR China;2. Wuxi Maternity and Child Health Care Hospital, Wuxi 212422, PR China;1. Biosciences Research, Agriculture Victoria, AgriBio, 5 Ring Road, Bundoora, Victoria 3083, Australia;2. CSIRO Agriculture and Food, Werribee, Victoria 3030, Australia;3. School of Applied Systems Biology, La Trobe University, Bundoora, Victoria 3083, Australia |
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| Abstract: | The phospholipid (PL) content was determined comparatively in the milk fat globule membrane (MFGM) and whole milk including their fatty acid profiles. The possible role of milk PLs in defence against pathogens was also addressed. The MFGM and whole milk showed a similar distribution of PL species; however, the fatty acid contents of the PL species were different. Total PL from MFGM showed a decrease in C18:0 content in parallel with an increase in C18:1 and C18:2 and very long-chain fatty acid (more than C20) content. No significant differences in the fatty acid content of phosphatidylcholine and sphingomyelin from either source were found. However, the phosphatidylethanolamine from MFGM had more C18:1 and C18:2 and less C14:0 and C16:0 than that from whole milk. A similar but less pronounced result was found for phosphatidylserine/phosphatidylinositol. Enterotoxigenic Escherichia coli strains failed to bind to PL, which had been previously separated by high-performance thin-layer chromatography. |
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